12097711 has 4 divisors (see below), whose sum is σ = 12142624. Its totient is φ = 12052800.

The previous prime is 12097691. The next prime is 12097733. The reversal of 12097711 is 11779021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12097711 - 2¹¹ = 12095663 is a prime.

It is a super-2 number, since 2×12097711² = 292709222879042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12097711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12097751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22050 + ... + 22591.

It is an arithmetic number, because the mean of its divisors is an integer number (3035656).

Almost surely, 2^12097711 is an apocalyptic number.

12097711 is a deficient number, since it is larger than the sum of its proper divisors (44913).

12097711 is an equidigital number, since it uses as much as digits as its factorization.

12097711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44912.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 12097711 is about 3478.1763900067. The cubic root of 12097711 is about 229.5625649186.

The spelling of 12097711 in words is "twelve million, ninety-seven thousand, seven hundred eleven".